Here's what rhymes with cholinergic.

Consider these alternatives

dopaminergic / nondopaminergic glutamatergic / nonglutamatergic neurotransmission / position excitatory / story noradrenergic / nonadrenergic muscarinic / scenic inhibitory / story parasympathetic / magnetic norepinephrine / line dopamine / nine neurotoxicity / activity inhibition / position innervation / information excitability / stability cytotoxicity / activity histamine / mean antitumor / tumor glutamate / late autonomic / economic